Meyer Sound MM-4CEU - Manual (Page 21)

15
APPENDIX C
APPENDIx C
mm-4CEU Specifications
MM-4 Controller
Power -15V
Peak Limit
RMS Limit
Sense
A B
B A
Lo Cut
In
Out Attn dB B A
1
5 6
h 20
10
8
3
2
4
0
1
5 6
h 20
10
8
3
2
4
0
A Amp 1 B Input A Sense
-
Amp 2
-
+
+
Amp 1 B Sense
-
-
+
+
Amp 2 Output A B
125
100-
100-125 V50-60 Hz
200-
200-250 V
V Range
250
T160mA 250V
mm-4CEU front & Rear Panels
Audio Input
Type Differential, electronically balanced; RF and transient protected
Max common mode range ±15 V DC, clamped to earth for voltage transient protection
Connector(s) Two female XLR, one for each input channel
Input Impedance 10 k Ω differential between pins 2 and 3
Wiring Pin 1: Chassis/earth through 11 k Ω, 1000 pF, 15 V clamp network to provide virtual ground lift at audio
frequencies; Pin 2: Signal +; Pin 3: Signal -; Case: Earth ground and chassis
DC blocking None
CMRR >60 dB, typically 80 dB (50 Hz - 1 kHz)
RF Filter Common mode 850 kHz; differential mode 370 kHz
Input Level Maximum input voltage 25 V peak-peak (+21 dBu sine wave)
Audio Output
Type Active push-pull, electronically balanced, capable of driving 600 Ω Load; RF & transient protected
Out voltage Maximum 50 V peak-peak (+27 dBu sine wave)
Connectors Two male XLR, one for each output channel
Output impedance 200 Ω differential between pins 2 and 3
Wiring Pin 1: Chassis/earth; Pin 2: Signal +; Pin 3: Signal -
Audio Performance
Hum and noise <-90 dBV (A-weighted)
Dynamic range >115 dB
THD < 0.01%, typically <.002%
Response accuracy <0.25 dB (20-20 kHz)
AC Power
Connector IEC 320
Voltage selection Switch selectable on rear panel
UL/CE rated voltage 90 - 130 V AC; 180 - 260 V AC; 50/60 Hz
Current draw 0.160 A max (rear panel T 160 mA fuse protected)
Physical
LED Indicators Sense Threshold/Gain Detect: (2) Red/Green LEDs, one per channel; RMS Limiters: (2) Yellow LEDs, one
per channel; Peak Limiters: (2) Yellow LEDs, one per channel; Power: (1) Green LED Front panel: (2) Rotary
input attenuators, one per channel; (2) Recessed low cut filter switches, one per channel; (1) AC power
latching push switch
Controls Rear Panel: (1) AC voltage selector, recessed; (1) T250V fuse and holder
SpeakerSense connectors MultiSense, (4) dual banana, two per channel
Note: When using multiple sense lines, all lines must be in same electrical polarity.
Weight 19.00" W x 1.75" H x 7.75" D standard rack mount (482 mm x 44 mm x 197 mm)
Finish Black, powder coated